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, Tudor Ganea (1922 – 1971) foi um matemátic … Tudor Ganea (1922 – 1971) foi um matemático romeno, conhecido por seu trabalho em topologia algébrica, especialmente teoria da homotopia. Ganea abandonou a República Socialista da Romênia para estabelecer-se nos Estados Unidos no início da década de 1960. Lecionou na Universidade de Washington.0. Lecionou na Universidade de Washington.
, Tudor Ganea (* 1922; † 1971) war ein rumän … Tudor Ganea (* 1922; † 1971) war ein rumänischer Mathematiker, der sich mit algebraischer Topologie befasste. Ganea kam in den frühen 1960er Jahren in die USA und lehrte an der University of Washington. Nach ihm und Samuel Eilenberg ist der Satz von Ganea und Eilenberg benannt: sei und G eine endlich präsentierte Gruppe (mit kohomologischer Dimension ), dann gibt es einen n-dimensionalen asphärischen CW-Komplex, dessen Fundamentalgruppe G ist. Im Fall n=2 ist die entsprechende Vermutung offen (Eilenberg-Ganea-Vermutung). Eine nach ihm benannte Vermutung über die Ljusternik-Schnirelmann Kategorie (nach Lasar Aronowitsch Ljusternik, Lew Schnirelmann) wurde 1998 durch Norio Iwase widerlegt. Die Vermutung ist Teil von 15 Vermutungen, die er auf einer Konferenz im Batelle Research Center in Seattle 1971 stellte. 1962 hielt er einen Vortrag auf dem Internationalen Mathematikerkongress in Stockholm (On some numerical homotopy invariants).m (On some numerical homotopy invariants).
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rdfs:comment |
Tudor Ganea (* 1922; † 1971) war ein rumän … Tudor Ganea (* 1922; † 1971) war ein rumänischer Mathematiker, der sich mit algebraischer Topologie befasste. Ganea kam in den frühen 1960er Jahren in die USA und lehrte an der University of Washington. Nach ihm und Samuel Eilenberg ist der Satz von Ganea und Eilenberg benannt: sei und G eine endlich präsentierte Gruppe (mit kohomologischer Dimension ), dann gibt es einen n-dimensionalen asphärischen CW-Komplex, dessen Fundamentalgruppe G ist. Im Fall n=2 ist die entsprechende Vermutung offen (Eilenberg-Ganea-Vermutung).rmutung offen (Eilenberg-Ganea-Vermutung).
, Tudor Ganea (1922 – 1971) foi um matemátic … Tudor Ganea (1922 – 1971) foi um matemático romeno, conhecido por seu trabalho em topologia algébrica, especialmente teoria da homotopia. Ganea abandonou a República Socialista da Romênia para estabelecer-se nos Estados Unidos no início da década de 1960. Lecionou na Universidade de Washington.0. Lecionou na Universidade de Washington.
, Tudor Ganea (October 17, 1922 –August 1971 … Tudor Ganea (October 17, 1922 –August 1971) was a Romanian-American mathematician, known for his work in algebraic topology, especially homotopy theory. Ganea left Communist Romania to settle in the United States in the early 1960s. He taught at the University of Washington.He taught at the University of Washington.
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Tudor Ganea
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